<template>
  <view>
    <!-- 首页的吸顶效果：让搜搜索组件始终固定在最上面 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图 -->
    <swiper indicator-dots autoplay :interval="3000" :duration="1000" circular>
      <swiper-item v-for="(item,index) in swiperList" :key="index">
        <navigator :url="`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`" class="swiper-item">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 导航栏-->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i">
        <image @click="navClickHandler(item)" :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- 楼层标题 -->
        <view class="floor-title">
          <image :src="item.floor_title.image_src"></image>
        </view>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator :url="item.product_list[0].url" class="left-img-box">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator :url="item2.url" class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>

      </view>
    </view>
  </view>
</template>

<script>
  import setBadge from '../../mixins/setBadge.js'
  export default {
    mixins:[setBadge],
    data() {
      return {
        // 1.轮播图数据
        swiperList: [],
        // 2. 分类导航的数据列表
        navList: [],
        // 3. 楼层的数据列表
        floorList: []
      };
    },
    onLoad(options) {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      // 获取楼层数据
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('https://missfresh.kuaijiankj.com/api/public/v1/home/floordata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.floorList = res.message
        this.floorList.forEach(item=>{
             item.product_list.forEach(v=>{
                v.url= '/subpkg/goods_list/goods_list?'+v.navigator_url.split('?')[1]
             })
        })
      },
      // 获取导航栏数据
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('https://missfresh.kuaijiankj.com/api/public/v1/home/catitems')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.navList = res.message
      },
      // 获取首页轮播图数据
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('https://missfresh.kuaijiankj.com/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.swiperList = res.message
      },
      // 点击导航进行跳转
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 点击搜索组件调到搜索页面
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/goods_search/goods_search'
        })
      }
    }
  }
</script>

<style lang="scss">
  // 吸顶效果
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
  // 轮播图
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  // 分类导航
  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 30rpx 0;

    .nav-item {
      width: 128rpx;
      height: 140rpx;

      image {
        width: 100%;
        height: 100%;
      }
    }
  }

  // 楼层区域
  .floor-list {
    .floor-item {
      // 标题
      .floor-title {
        height: 60rpx;

        image {
          height: 100%;
          width: 100%;
        }
      }
      // 主体区域
      .floor-img-box{
        display: flex;
        padding-left: 10rpx;
         .right-img-box{
           display: flex;
           flex-wrap: wrap;
            justify-content: space-around;
         }
      }
    }
  }
</style>
